NASA Image Hubble Peers into the Most Crowded Place in the Milky Way

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This NASA/ESA Hubble Space Telescope image presents the Arches Cluster, the densest known star cluster in the Milky Way.

More... (http://www.nasa.gov/image-feature/goddard/hubble-peers-into-the-most-crowded-place-in-the-milky-way)